WMSIC Electronic Components

ETA ETA2807FT2G

ModelETA2807FT2G
PackageFCTSOT-23-6
BrandETA
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ETA ETA2807FT2G
Type
ETA
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ETA
Electronic Component
ETA2807FT2G
Electronic Component
1
Package
FCTSOT-23-6
Electronic Component
DC-DC Power Supply IC
Electronic Component
0.046g
Electronic Component
1
Type
Electronic Component
Synchronous
Electronic Component
Electronic Component
BM0258739817
Operating Temperature
40℃~+85℃
Operating Voltage
4.6V~35V
Switching Frequency
250kHz
Electronic Component
Electronic Component
Output Current
3A

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

ETA2807FT2G 产品概述

一、产品简介

ETA2807FT2G 是钰泰(ETA)推出的一款降压型(Buck)同步整流开关稳压器,采用 FCTSOT-23-6 小封装,内置功率开关,支持可调输出,适合空间受限且要求高效率与高输出电流的嵌入式电源设计。器件工作电压范围宽(4.6V–35V),最大输出电流可达 3A,开关频率为 250kHz,静态电流仅 460µA,工作温度覆盖 -40℃ 至 +85℃。

二、主要规格与特性

  • 功能类型:降压(Buck)型,单通道、可调输出
  • 输入电压范围:4.6V ~ 35V
  • 最大输出电流:3A(在适当散热条件下)
  • 开关频率:典型 250kHz
  • 同步整流:内置同步整流 MOS 管,提高转换效率
  • 静态电流(Iq):460µA,适合低功耗待机应用
  • 开关管:内置,高集成度,简化外部布局
  • 工作温度:-40℃ ~ +85℃
  • 封装:FCTSOT-23-6(紧凑型封装,适用于体积受限的设计)

三、性能优势

  • 宽输入电压支持多种电源环境(包括车载或宽压电源系统)
  • 同步整流设计在中高负载时效率显著优于非同步方案,减小发热
  • 低静态电流在轻载或待机模式下有利于延长电池寿命
  • 250kHz 中等开关频率在效率与外部元件体积之间取得平衡,允许使用小体积电感与电容
  • 小封装适合空间受限的消费类与工业级产品

四、典型应用场景

  • 电池供电设备与便携式终端
  • 工业控制模块与传感器供电
  • 通信设备与网络终端的局部电源
  • 汽车电子(需结合系统电压保护方案)
  • 嵌入式单板与智能家居设备

五、设计与布局建议

  • 电感选择:根据开关频率与允许电流纹波选择电感,建议使电流纹波占额定电流的 20%~40%,可用公式 L = Vout*(Vin−Vout)/(VinfsΔI) 估算。电感额定电流应大于峰值电流,注意饱和特性。
  • 输出电容:优先使用低 ESR 的陶瓷电容(X5R/X7R),以降低输出纹波并提高瞬态响应。
  • 输入去耦:在 VIN 与 GND 之间靠近器件布局一颗低 ESR 陶瓷电容,减小输入回路阻抗。
  • 布局要点:尽量缩短高电流回路(输入电容—器件—电感—输出电容—地)的走线,增大散热铜箔,确保 SW 节点走线短且清晰;GND 建议采用完整地平面。
  • 散热:FCTSOT-23-6 封装热阻较大,高负载或高温环境下需注意 PCB 散热设计,增加铜量与散热填充。

六、典型引脚功能(概述)

  • VIN:电源输入
  • SW:开关节点,连接外部电感
  • FB:反馈引脚,通过外部分压器设置输出电压
  • EN(或 ON/OFF):器件使能控制(高电平启用)
  • GND:接地
    (具体引脚排列与功能请参阅器件数据手册以确保准确设计)

七、使用注意事项

  • 在 35V 上限附近工作时,需考虑瞬态过压与器件应力,必要时增加浪涌吸收与输入保护元件。
  • 反馈分压器精度与补偿网络影响稳压精度与稳定性,调试时注意环路相位裕度。
  • 实际效率受输入电压、输出电压、负载与外部元件选择影响,设计时进行热仿真与实验验证。

如需进一步的电路参考、评估板资料或详细数据手册(包括精确引脚定义、典型波形与应用电路),建议联系钰泰官方或查阅 ETA2807FT2G 的正式技术文档以获取完整规范与推荐设计样例。

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